Combined carpenter&#39;s tool.



Uf TUOMI. COMBINED GARPENTBRS TOOL,`

APPLIGATION FILED APR. ze, 1909;'

Mimi

"nrtrrnn eine fris U ,tit le ela w Specification of nctters To all whom. it may concern: v

Be it known that l, Unno Toont, a subject of the Emperor of Russin., residing` at Aberdeen, in the county of Brown und State of South Dakota, have invented er certain new and useful Improyernent in Combined Carpenters and Masons rlools, of which the following is o. specication.

My invention relates to a combined cerpenters and masons tool that will possess inany advantages for diderent purposes.

lt is particularly useful in the setting of Window and door easements, since it coinbines the capabilities of'a square, o level 'i5 und a plumb. It has been eustornsry to ein` ploy the three separate tools in the operetion of setting easements; performing the acts ot' squering, leveling, and plumbing .it diiierent times, and incurring the danger 20 of deranging one While seeurii the other.

lll/lith rny tool the three acts rnayl be performed practically sirnultsneously, lessening the possibility of error und the time and labor involved.

ln the accompanyingdrawing, Figure l is a side elevation of the instrumentin its l`roost compact form, in which it is capable of beingused as en ordinary curpenters level; Fig. l is a side elevation showing the square opened up and the extensible Vertical erin 'thereof partially extended; Fig. 3 is an edge or rear View cor-respendingr to Eig. 2; Fig. l is a section on the line fl--, Fig. l, looking inthe direction of the `arrows; Fig. 5 vis e section on the line 51H5, Fig. l, looking' in the direction of the ar- Mrows; F ig. 6 is e section on the line l-6, Fig 2; and Fig. 7 is a detail of the cross Wires.

Describing the invention from the standpoint of a square, it may be said to consist primarily of a horizontal arm l end e vertical arin 2, the two being hinged at the corner of the square, as at 30, so es to be oldable togetherin perallelisrn, es shown in Fig. l. lllhen so folded. in parallelism the arms may be secured together by a metal tongue 3 projecting from one" over the surface of the other and a set screw l carried by such other erm and clamping the tongue thereagainst. Preferably the projecting end of the tongue 3 is bifurcated for the reception o t the shank of theserew.

fl/Then, folded as illustrated in Fig. ,l the Whole tool constitutes a. earpenters. or ma sons level, by reason of' small spirit levels 6 and 7 mounted in the arm l. v@i these, tney be rend from the upper and side luces oi erin l, and (i und l" ere set et right angles to euch other and may be rend "from the .1deG on faces of the ornijvhen the tool luid itat.

line of greater length than the tool may be leveled by means of two sights Atrried bythe erin l., a rear peep sight 8 t Ward sight 9. carrying cross-Wires. resting horizontally and the end of to be leveled being suitably nie" this niark or point is cene i t peep sight on the junction oi the cross-Wiresl `the user of the instrument lri'iows that the :le line is both level end s ht.

@ne oit theinipor vention the e erin. Wh h r 'of o. plurel "1y en ins .1o. ie importance ion is not only that, in tl or i, the-'vertical a .i .fr o sten'tielly the :toll lengoh oi the door Window easement, but so that the erin simultaneously es e. plumb. To tl end smell levels ll ere attached to two ol incre remote olf the sections lll to the uppermost and ,the loue tions. These levels being dispo.` peielle.. to the erin l, when the square is unfolded es shown in 2', itis ol'wious that. they vwill indicete Whether the side of the easement is plumb or not. The niost desirable manner of mounting these levels ll is transversely of the outer side feces of the uppermost and lowerinost sections 10, shown. lf desireble, the levelsvniay be rendered engulerly adjustable, os by securing their metal casings pivotollyet one end, as at l2, and by slotted eonnection at the other end, esa-t. 1*. 9 l/Vhile these levels, and the levels 5, 6 and 7 are shown for purposes of illustration es spirit. levels, it 'will be obvious that they need not be of this type..

rlhe several sections l0 ere arranged with their side faces in, slideble relation sind their rear feces l5 in the 'same plane, these rear laees togetherV constituting the rear foce or' the arm Fl. Preferably the sections .l0 are in the nature ofcornparatively thin strips,

end. their contiguous side feces are provided vwith interengug'ing dovetail slideways 16. However, other means of slidably connecting the sections might be utilized. While the .sections are shown asonly partly extended in the drawing, it will be understood that they may be extended until the erin 2 is of a length substantially the sum of the lengths l of the head 26upon the Lbrace. `.The advanof the several sections. a Itwill be observed that thehinge 30 is secured to the uppermost section 10, leaving the other sectionst'ree to slide. Preferably,

the uppermost and lowerrno'st sections 1Q are provided at their upper and lower ends, respectlvely, with opposltely laterally projecting cap plates 17, against which the upper.

and lower ends, vrespectively, ot' the several sections 10 abut when the arm 2 is shut;

y Various means may be employed for holdmitted to slide on each other.

tions be made of wood, it is desirable to pro-A tect the portions of their front. faces clamped ing the sections 10 in closed or desired adjusted relation. Simple and desirable instrumentalities are set screws or set nuts 18 mounted on the fr'oiitjaces ot' the sections,

each'screw ornut being adapted to clamp.

down upon the t'ace of a section adjacent to that upon which it is mounted, Regarding any one of the devices 18, it will be seen that the portion 40 of vthe enlarged head thereof overlaps the surface of a section 10 adjacent to that section into which the particular device 18 is screwed. This overlapping portion 40 bears forcibly upon thc underlying sui-face,A thus holding the two sections together in the desired relation by a frictional ock. As indicated, the head of a device 1S may overlap the two sections at opposite sides of the section into which the device is screwed. To release the sections all that is necessary is to loosen the devices 18.' When they are screwed down again they bear frictionally upon the faces of adjacent sections 10. 1t will be seen that by loosening one or more of the devices 18 and leaving the rcmainder tight, certain of the sections 10 may be clamped together and other sections perlf the secby the members 18, when the sections are closed, with inserted metal plates 19.

There remains to be described the preferred means for holding the arms 1 and 2 in their opened relation, that is, at right angles to each other. This preferred means constitutes a brace 2O adapted to be secured to vthel two arms extending diagonally therebetween. This brace 20 is provided longitudinally with a slot 21, one end of which, 22, is circularly enlarged. lfVhen the to`oI`is in' the compact form illustrated in Fig. 1, the brace '2O is held longitudinally against they outer side face oit the uppermost section 10 by a set screw 23, whose threaded sha-nk 24 is received in the slot 21 and which clamps down upon the brace by reason of a Ament is proportioned to take over the head tage of rendering the slot 21 and the circular socket22 continuous with each other is-,that the brace 20 may be shifted from the position shown in Fig. 1 to 'that shown in Fig. 2 without taking the screw 23 entirely out. First, the screw loosened slightly, and the brace is then slidalong the shank 24; until the enlargement 22 is under the enlargement 25', when the screw is tightened again, this time seating the' enlargement 25 in the socket 22. The other end of the brace is provided with a transverse slot 27, provided toward one end -with an enlargement 28. This enlargeof a set screw 29 mountedon the side face of the arm 1, the head of this screw being .of greater diameter than the Width of the slot 27 and its threaded shank being adapted to be received therein. Consequently, in connecting the b race 20 to the arm 1, the screw is raised, .the enlargement 28 is passed over the head thereof, the 'brace is then swung to position the head of the screw over the 'slot 27, and the screw is then tightened against the brace. Thus, vvit is not necessary to remove the screw 29 for the purposes of securing the brace to or disconnecting the same from the arm 1. Preferably, the slot 27Ais formed slightly eccentric with 95 reference to ,the screw 23 as a pivot, so that delicate adjustment of the'angle between the arms may be secured by shifting the slot withreference to the screw 29. This feature is ot' value for the purpose of insuring that .100 the square' is true. It will be clear that the presence of the levels on the two arms will make it possible to determine whether the arms are truly perpendicular to each other or not. In tlns connection I wish to observe that I regard it ,as new broadly and irrespective of details to provide a square having its. two arms hinged to fold together, levels carried by the two arms disposed parallel to the plane ot' the square, and adjustable brace 110 :connection between the arms. vThe tool may be used .also as an angle finder, by the sim le |opcration of setting the screw 23. in the s ot 21, thescrew 29 being in the slot 27, when the arms may be swung to any angle desired or-t0 be measured and the screw 23 tightened. In this connection4 the face of the brace 20 might be graduated, as will be obvious. Besides the uses outlined, the tool will have many other capabilities.

What I claim as new is:- s

1. A carpentersor masons tool, comprising a square the armsot' which are hinged at the corner to fold'together, one arm carry-- ing a level disposedlongitudinally thereof. 125 and also carrying alined sights,` and the other arm carrying a level disposed transversely thereof and parallel to the plane of the square, the last-mentioned arm being extensible consisting of a plurality f super- 13o esA v the same plane.

,arms for connecting 4in sand a mediate enlargement of greater diameter posed sections sliclehlelongtuflinelly -upon each othernnclhaving their rear faces in 2. A cerpenters or'niasons toolhcoxnprising a square the arms of which are hinged to fold together2 and a diagonal brace having a longitudinal slot provided Wit-h' a socket enlargement adjaoentone end of the brace, a screw clamp mounted on lone of the the brace thereto,"said clamp having a shank adapted to be received slot, an enlargedhead, and an interthan the ridth of the. slot but of smaller diameter than .the head, said intermediate enlargement being proportioned to be revl ceiv'ecllin said socket enlargement of the slot5 together with means for removably securing the brace to the other arm when the square sopen.

3. A carpenters or masons tool, comprising a square the arms of which are hinged at the corner to fold together, one arm carrying a level disposed llon 'tudnally and visible from the 51de thereol andthe other arm being extensible, consisting ,of a plurality of superposed sections, havin Htheir rear faces 1x1-thel same plane, slidab e longitudinally uponv each other by reason of interlocking outer an remote sections carrying levels disposed transversely thereof and parallel. to the plane of the square, and a brace adapted to sustain said .arms in their openedpo sitionfA and to effect line angular adjustment tliel'eofI UUNo Tnet-n `Witnesses:

JEAN J. Bronson,

C. Lome ALLEN.

guide ridges and grooves, the twoI 

